#ifndef Py_LONGOBJECT_H#define Py_LONGOBJECT_H#ifdef __cplusplusextern"C"{#endif/* Long (arbitrary precision) integer object interface */typedefstruct_longobjectPyLongObject;/* Revealed in longintrepr.h */PyAPI_DATA(PyTypeObject)PyLong_Type;#define PyLong_Check(op) \ PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_LONG_SUBCLASS)#define PyLong_CheckExact(op) (Py_TYPE(op) == &PyLong_Type)PyAPI_FUNC(PyObject*)PyLong_FromLong(long);PyAPI_FUNC(PyObject*)PyLong_FromUnsignedLong(unsignedlong);PyAPI_FUNC(PyObject*)PyLong_FromSize_t(size_t);PyAPI_FUNC(PyObject*)PyLong_FromSsize_t(Py_ssize_t);PyAPI_FUNC(PyObject*)PyLong_FromDouble(double);PyAPI_FUNC(long)PyLong_AsLong(PyObject*);PyAPI_FUNC(long)PyLong_AsLongAndOverflow(PyObject*,int*);PyAPI_FUNC(Py_ssize_t)PyLong_AsSsize_t(PyObject*);PyAPI_FUNC(size_t)PyLong_AsSize_t(PyObject*);PyAPI_FUNC(unsignedlong)PyLong_AsUnsignedLong(PyObject*);PyAPI_FUNC(unsignedlong)PyLong_AsUnsignedLongMask(PyObject*);PyAPI_FUNC(PyObject*)PyLong_GetInfo(void);/* It may be useful in the future. I've added it in the PyInt -> PyLong cleanup to keep the extra information. [CH] */#define PyLong_AS_LONG(op) PyLong_AsLong(op)/* Issue #1983: pid_t can be longer than a C long on some systems */#if !defined(SIZEOF_PID_T) || SIZEOF_PID_T == SIZEOF_INT#define _Py_PARSE_PID "i"#define PyLong_FromPid PyLong_FromLong#define PyLong_AsPid PyLong_AsLong#elif SIZEOF_PID_T == SIZEOF_LONG#define _Py_PARSE_PID "l"#define PyLong_FromPid PyLong_FromLong#define PyLong_AsPid PyLong_AsLong#elif defined(SIZEOF_LONG_LONG) && SIZEOF_PID_T == SIZEOF_LONG_LONG#define _Py_PARSE_PID "L"#define PyLong_FromPid PyLong_FromLongLong#define PyLong_AsPid PyLong_AsLongLong#else#error "sizeof(pid_t) is neither sizeof(int), sizeof(long) or sizeof(long long)"#endif /* SIZEOF_PID_T *//* Used by Python/mystrtoul.c. */#ifndef Py_LIMITED_APIPyAPI_DATA(unsignedchar)_PyLong_DigitValue[256];#endif/* _PyLong_Frexp returns a double x and an exponent e such that the true value is approximately equal to x * 2**e. e is >= 0. x is 0.0 if and only if the input is 0 (in which case, e and x are both zeroes); otherwise, 0.5 <= abs(x) < 1.0. On overflow, which is possible if the number of bits doesn't fit into a Py_ssize_t, sets OverflowError and returns -1.0 for x, 0 for e. */#ifndef Py_LIMITED_APIPyAPI_FUNC(double)_PyLong_Frexp(PyLongObject*a,Py_ssize_t*e);#endifPyAPI_FUNC(double)PyLong_AsDouble(PyObject*);PyAPI_FUNC(PyObject*)PyLong_FromVoidPtr(void*);PyAPI_FUNC(void*)PyLong_AsVoidPtr(PyObject*);#ifdef HAVE_LONG_LONGPyAPI_FUNC(PyObject*)PyLong_FromLongLong(PY_LONG_LONG);PyAPI_FUNC(PyObject*)PyLong_FromUnsignedLongLong(unsignedPY_LONG_LONG);PyAPI_FUNC(PY_LONG_LONG)PyLong_AsLongLong(PyObject*);PyAPI_FUNC(unsignedPY_LONG_LONG)PyLong_AsUnsignedLongLong(PyObject*);PyAPI_FUNC(unsignedPY_LONG_LONG)PyLong_AsUnsignedLongLongMask(PyObject*);PyAPI_FUNC(PY_LONG_LONG)PyLong_AsLongLongAndOverflow(PyObject*,int*);#endif /* HAVE_LONG_LONG */PyAPI_FUNC(PyObject*)PyLong_FromString(char*,char**,int);#ifndef Py_LIMITED_APIPyAPI_FUNC(PyObject*)PyLong_FromUnicode(Py_UNICODE*,Py_ssize_t,int);#endif#ifndef Py_LIMITED_API/* _PyLong_Sign. Return 0 if v is 0, -1 if v < 0, +1 if v > 0. v must not be NULL, and must be a normalized long. There are no error cases.*/PyAPI_FUNC(int)_PyLong_Sign(PyObject*v);/* _PyLong_NumBits. Return the number of bits needed to represent the absolute value of a long. For example, this returns 1 for 1 and -1, 2 for 2 and -2, and 2 for 3 and -3. It returns 0 for 0. v must not be NULL, and must be a normalized long. (size_t)-1 is returned and OverflowError set if the true result doesn't fit in a size_t.*/PyAPI_FUNC(size_t)_PyLong_NumBits(PyObject*v);/* _PyLong_DivmodNear. Given integers a and b, compute the nearest integer q to the exact quotient a / b, rounding to the nearest even integer in the case of a tie. Return (q, r), where r = a - q*b. The remainder r will satisfy abs(r) <= abs(b)/2, with equality possible only if q is even.*/PyAPI_FUNC(PyObject*)_PyLong_DivmodNear(PyObject*,PyObject*);/* _PyLong_FromByteArray: View the n unsigned bytes as a binary integer in base 256, and return a Python long with the same numeric value. If n is 0, the integer is 0. Else: If little_endian is 1/true, bytes[n-1] is the MSB and bytes[0] the LSB; else (little_endian is 0/false) bytes[0] is the MSB and bytes[n-1] the LSB. If is_signed is 0/false, view the bytes as a non-negative integer. If is_signed is 1/true, view the bytes as a 2's-complement integer, non-negative if bit 0x80 of the MSB is clear, negative if set. Error returns: + Return NULL with the appropriate exception set if there's not enough memory to create the Python long.*/PyAPI_FUNC(PyObject*)_PyLong_FromByteArray(constunsignedchar*bytes,size_tn,intlittle_endian,intis_signed);/* _PyLong_AsByteArray: Convert the least-significant 8*n bits of long v to a base-256 integer, stored in array bytes. Normally return 0, return -1 on error. If little_endian is 1/true, store the MSB at bytes[n-1] and the LSB at bytes[0]; else (little_endian is 0/false) store the MSB at bytes[0] and the LSB at bytes[n-1]. If is_signed is 0/false, it's an error if v < 0; else (v >= 0) n bytes are filled and there's nothing special about bit 0x80 of the MSB. If is_signed is 1/true, bytes is filled with the 2's-complement representation of v's value. Bit 0x80 of the MSB is the sign bit. Error returns (-1): + is_signed is 0 and v < 0. TypeError is set in this case, and bytes isn't altered. + n isn't big enough to hold the full mathematical value of v. For example, if is_signed is 0 and there are more digits in the v than fit in n; or if is_signed is 1, v < 0, and n is just 1 bit shy of being large enough to hold a sign bit. OverflowError is set in this case, but bytes holds the least-signficant n bytes of the true value.*/PyAPI_FUNC(int)_PyLong_AsByteArray(PyLongObject*v,unsignedchar*bytes,size_tn,intlittle_endian,intis_signed);/* _PyLong_Format: Convert the long to a string object with given base, appending a base prefix of 0[box] if base is 2, 8 or 16. */PyAPI_FUNC(PyObject*)_PyLong_Format(PyObject*aa,intbase);/* Format the object based on the format_spec, as defined in PEP 3101 (Advanced String Formatting). */PyAPI_FUNC(PyObject*)_PyLong_FormatAdvanced(PyObject*obj,Py_UNICODE*format_spec,Py_ssize_tformat_spec_len);#endif /* Py_LIMITED_API *//* These aren't really part of the long object, but they're handy. The functions are in Python/mystrtoul.c. */PyAPI_FUNC(unsignedlong)PyOS_strtoul(char*,char**,int);PyAPI_FUNC(long)PyOS_strtol(char*,char**,int);#ifdef __cplusplus}#endif#endif /* !Py_LONGOBJECT_H */